Can the eye itch be washed with light salt water?

Eye itching causes are blepharitis, eyelid dermatitis, conjunctivitis, keratitis, trichiasis, especially conjunctivitis, allergic conjunctivitis performance is particularly serious, extremely itchy. Its treatment is generally from allergens, and then some antihistamines, there are glucocorticoids, generally do not carry out conjunctival sac washing. once the conjunctival sac has secretions, you can also carry out conjunctival sac washing, but do not advocate washing with light saline, generally with normal saline and boric acid lotion. Because of their own allocation of light saline, on the one hand, the concentration is not easy to grasp, if too high will cause damage to the cornea, at the same time with the water can not be sterile, will lead to infection, can not achieve the therapeutic effect, so itching eyes do not advocate washing with light saline.